Granted Patent
Utility
US 6,549,543 · App. 09/223,177
Data communication system and data communication operating method
Inventor:
Seung-Mok Shin
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Dec 30, 1998
Inventor
Seung-Mok Shin
Assignee (at issue)
LG Information & Communications, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.